<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>模拟select控件</title>
    <style>
        html,body{height:100%;overflow:hidden;}
        body,div,form,h2,ul,li{margin:0;padding:0;}
        ul{list-style-type:none;}
        body{background:#23384e;font:12px/1.5 \5fae\8f6f\96c5\9ed1;}
        #search,#search form,#search .box,#search .select,#search a{background:red;}
        #search,#search .box,#search form{height:34px;}
        #search{position:relative;width:350px;margin:10px auto;}
        #search .box{background-position:right 0;}
        #search form{background-repeat:repeat-x;background-position:0 -34px;margin:0 20px 0 40px;}
        #search .select{float:left;color:#fff;width:190px;height:22px;cursor:pointer;margin-top:4px;line-height:22px;padding-left:10px;background-position:0 -68px;}
        #search a{float:left;width:80px;height:24px;color:#333;letter-spacing:4px;line-height:22px;text-align:center;text-decoration:none;background-position:0 -90px;margin:4px 0 0 10px;}
        #search a:hover{color:#f60;background-position:-80px -90px;}
        #search .sub{position:absolute;top:26px;left:40px;color:#fff;width:198px;background:#2b2b2b;border:1px solid #fff;display:none;}
        #search .sub li{height:25px;line-height:24px;cursor:pointer;padding-left:10px;margin-bottom:-1px;border-bottom:1px dotted #fff;}
        #search .sub li.hover{background:#8b8b8b;}
    </style>
    <script type="text/javascript">
        window.onload = function ()
        {
            var oSelect = document.getElementsByTagName("span")[0];
            var oSub = document.getElementsByTagName("ul")[0];
            var aLi = oSub.getElementsByTagName("li");
            var i = 0;

            oSelect.onclick = function (event)
            {
                var style = oSub.style;
                style.display = style.display == "block" ? "none" : "block";
                //阻止事件冒泡
                (event || window.event).cancelBubble = true
            };

            for (i = 0; i < aLi.length; i++)
            {
                //鼠标划过
                aLi[i].onmouseover = function ()
                {
                    this.className = "hover"
                };
                //鼠标离开
                aLi[i].onmouseout = function ()
                {
                    this.className = "";
                };
                //鼠标点击
                aLi[i].onclick = function ()
                {
                    oSelect.innerHTML = this.innerHTML
                }
            }

            document.onclick = function ()
            {
                oSub.style.display = "none";
            };
        };
    </script>
</head>
<body>
<div id="search">
    <div class="box">
        <form>
            <span class="select">请选择游戏名称</span>
            <a href="javascript:;">搜索</a>
        </form>
    </div>
    <ul class="sub">
        <li>地下城与勇士</li>
        <li>魔兽世界（国服）</li>
        <li>魔兽世界（台服）</li>
        <li>热血江湖</li>
        <li>神鬼传奇</li>
        <li>大话西游II</li>
        <li>QQ幻想世界</li>
    </ul>
</div>
</body>
</html>
